Publications Scientifiques

[ Article ] Does heartwood formation early process in Beninese coppice teak stands?

Date de soumission: 27-02-2018
Année de Publication: 2014
Entité/Laboratoire Laboratoire de Recherche en Biologie Appliquée (LARBA)
Document type : Article
Discipline(s) : Sciences Environnement &Ecologie
Titre Does heartwood formation early process in Beninese coppice teak stands?
Auteurs YEVIDE Armand Sèdami Igor [1], GOUDEGNON Eude Oré Adédiran [2], GANGLO Jean Cossi [3], Oumorou Madjidou [4], TCHEHOUALI Adolphe [5], De Carnnière Charles [6],
Journal: International Journal of Science and Technology
Catégorie Journal: Internationale
Impact factor: 0
Volume Journal: 4
Resume Teak heartwood formation process is less documented especially in Benin where the species has been widely established by farmers under coppice regime and provide woods largely used by consumers in cities. The objectives of this study were to determine the beginning age of heartwood formation process in coppice teak plantations and the impact of age and plant communities on heartwood percentage. Based on 54 discs sampled from plantations of divers ages in the two widest plant communities spread in Atlantic department, percentages of heartwood were assessed and compared as function of trees age and plant communities. Our findings revealed that heartwood formation begins early and that the coppice regime tends to quicken the heartwood formation process. The percentage of heartwood diminishes along tree from the base to the crown base while generally it increases with the age once the process began. There was statistically no difference between heartwood percentages formed at different ages. But at the same age significant difference exists between plant communities. Sound place choices for coppice teak stands establishment could help farmers to improve the physic-mechanical, chemical and biological characteristics of their woods as they depend on heartwood formation and percentage.
Mots clés Duramen formation, Heartwood percentage, Coppice teak plantation, Plant communities, Benin
Pages 118 - 123

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